Business Combinations, (Allocation of Total Purchase Price) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2014
TriTek [Member]
Legal Entities [Line Items]
Acquired tangible assets	$ 11.9	$ 11.9
Acquired intangible assets	6.2	6.2
Liabilities assumed	(6.1)	(6.1)
Goodwill	9.1	9.1
Cost Of Acquired Entity Purchase Price	21.1	21.1
Payments to Acquire Businesses, Gross		17.0
ClearTask [Member]
Legal Entities [Line Items]
Acquired tangible assets	2.1	2.1
Acquired intangible assets	1.6	1.6
Liabilities assumed	(0.8)	(0.8)
Goodwill	5.7	5.7
Cost Of Acquired Entity Purchase Price	8.6	8.6
Payments to Acquire Businesses, Gross		6.0
CoreMatrix [Member]
Legal Entities [Line Items]
Acquired tangible assets	3.6	3.6
Acquired intangible assets	4.8	4.8
Liabilities assumed	(1.5)	(1.5)
Goodwill	17.6	17.6
Cost Of Acquired Entity Purchase Price	24.5	24.5
Payments to Acquire Businesses, Gross		18.6
ForwardThink [Member]
Legal Entities [Line Items]
Acquired tangible assets	4.5	4.5
Acquired intangible assets	18.0	18.0
Liabilities assumed	(11.9)	(11.9)
Goodwill	29.5	29.5
Cost Of Acquired Entity Purchase Price	40.1	40.1
Payments to Acquire Businesses, Gross		26.9
BioPharm [Member]
Legal Entities [Line Items]
Acquired tangible assets	3.4	3.4
Acquired intangible assets	8.4	8.4
Liabilities assumed	(1.2)	(1.2)
Goodwill	5.7	5.7
Cost Of Acquired Entity Purchase Price	16.3	16.3
Payments to Acquire Businesses, Gross		11.2
Trifecta [Member]
Legal Entities [Line Items]
Acquired tangible assets	1.8	1.8
Acquired intangible assets	5.2	5.2
Liabilities assumed	(5.8)	(5.8)
Goodwill	7.1	7.1
Cost Of Acquired Entity Purchase Price	13.6	13.6
Payments to Acquire Businesses, Gross	$ 8.3	$ 8.3